EP 2372454 A1 20111005 - Photopolymer formulation for producing visible holograms
Title (en)
Photopolymer formulation for producing visible holograms
Title (de)
Photopolymer-Formulierung zur Herstellung sichtbarer Hologramme
Title (fr)
Formulation photopolymère destinée à la fabrication d'un hologramme visible
Publication
Application
Priority
EP 10158100 A 20100329
Abstract (en)
A photopolymer formulation (C1) comprises chemically crosslinked matrix polymers, writing monomers and a photoinitiator system, where the photoinitiator system comprises 2,2'-bis(o-chlorophenyl)-4,4',5,5'-tetraphenyl-1,2'-biimidazole (HABI), dye attuned to HABI and having an absorption maximum of 400-800 nm, and a hydrogen donor. An independent claim is included for producing exposed holographic media involving forming a holographic medium from the photopolymer formulation (C1) and exposing a hologram into the medium using electromagnetic radiation.
Abstract (de)
Die Erfindung betrifft eine Photopolymer-Formulierung umfassend chemisch vernetzte Matrixpolymere, Schreibmomomere und ein Photoinitiatorsystem, wobei das Photoinitiatorsystem ein HABI, einen auf das HABI abgestimmten Farbstoff mit einem Absorptionsmaximum im Bereich von 400-800 nm und einen Wasserstoff-Donor enthält. Weitere Gegenstände der Erfindung sind die Verwendung der Photopolymer-Formulierung zur Herstellung von optischen Elementen, insbesondere zur Herstellung von holographischen Medien sowie ein Verfahren zur Herstellung belichteter holographischer Medien.
IPC 8 full level
G03F 7/00 (2006.01); G03F 7/031 (2006.01); G03H 1/02 (2006.01)
CPC (source: EP US)
C09B 57/00 (2013.01 - EP US); G03F 7/001 (2013.01 - EP US); G03F 7/031 (2013.01 - EP US); G03H 1/02 (2013.01 - EP US); G11B 7/24044 (2013.01 - EP US); G03H 2001/0264 (2013.01 - EP US); G03H 2260/12 (2013.01 - EP US)
Citation (applicant)
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- US 5470813 A 19951128 - LE-KHAC BI [US]
- EP 0700949 A2 19960313 - ARCO CHEM TECH [US]
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- P. HARIHARAN: "Optical Holography", 71219, CAMBRIDGE UNIVERSITY PRESS
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Citation (search report)
- [XYI] EP 1696266 A2 20060830 - FUJI PHOTO FILM CO LTD [JP]
- [XY] US 2007077498 A1 20070405 - YUMOTO MASATOSHI [JP], et al
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- [Y] EP 1460478 A1 20040922 - ETERNAL TECHNOLOGY CORP [US]
- [A] JP 2005181955 A 20050707 - KONICA MINOLTA MED & GRAPHIC
- [A] JP 2008164730 A 20080717 - MITSUBISHI CHEM CORP
- [A] US 3533797 A 19701013 - JAMES DANIEL S, et al
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR
Designated extension state (EPC)
AL BA ME RS
DOCDB simple family (publication)
EP 2372454 A1 20111005; US 2011236803 A1 20110929; US 9281000 B2 20160308
DOCDB simple family (application)
EP 10158100 A 20100329; US 201113071713 A 20110325